Agnatha
Species

Tremataspis perforata Märss, Afanassieva et Blom, 2014

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Taxon description

Märss et al., 2014

The surface of the exoskeleton is discontinuous with very large and deep funnel-shape pores of variable size (up to almost 0.1 mm in diameter) and irregular or drop-shaped tubercles; very small distance between the pores; fragile porous surface layer composed of mesodentine tissue, tubercles built of bony tissue of the middle layer or of the superficial and the middle layers.

Synonymy list
1986     Tremataspis schmidti Rohon — Märss , fig. pl. 25, fig. 10
2014     Tremataspis perforata sp. nov. — Märss et al. , pp. 93 , fig. 10A-K,M-P
Selection of related publications
Bremer, O., Qu, Q., Sanchez, S., Märss, T., Fernandez, V., Blom, H. 2021. The emergence of a complex pore‐canal system in the dermal skeleton of Tremataspis (Osteostraci). Journal of Morphology 282, 8, 1141-1157. DOI:10.1002/jmor.21359
Märss, T., Afanassieva, O., Blom, H. 2014. Biodiversity of the Silurian osteostracans of the East Baltic. Earth and Environmental Science Transactions of the Royal Society of Edinburgh 105, 2, 73-148. DOI:10.1017/S1755691014000218
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Classification
References based on distribution